メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.311028236114 38.274969691734, 140.311118063567 38.2753769389336, 140.311593263839 38.2753389245756, 140.311629252813 38.2755454644101, 140.311653150821 38.2756379207852, 140.311690554734 38.2757456410365, 140.309561022848 38.2761849870131, 140.308765312126 38.2763281342596, 140.308362944188 38.2763937719988, 140.307602893066 38.2765194705394, 140.306902369373 38.2766424745464, 140.306236137936 38.2768080022271, 140.306154359684 38.2766450362303, 140.306037088796 38.2763951923409, 140.305844253869 38.2760437884799, 140.305323474775 38.2762717652662, 140.304937030996 38.2764503667969, 140.304523495381 38.2765101695712, 140.304324652 38.2762187082178, 140.306325813158 38.275315447626, 140.30717701761 38.2749349332002, 140.307621366212 38.2747227965297, 140.308048815112 38.2745325441822, 140.30852297849 38.2743146242072, 140.308959717595 38.2741228612913, 140.309376193928 38.2739424084962, 140.309793193614 38.2737508353417, 140.310208542595 38.2735650251941, 140.310642106938 38.2733725363683, 140.310849119345 38.2742558541301, 140.310954043914 38.2746930145411, 140.311028236114 38.274969691734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral